نتایج جستجو برای: varphi map

تعداد نتایج: 195690  

Journal: :Transactions of the American Mathematical Society 1947

Journal: :SciPost physics lecture notes 2021

As a low-energy effective model emerging in disparate fields throughout all of physics, the ubiquitous $\varphi^4$-theory is one central models modern theoretical physics. Its topological defects, or kinks, describe stable, particle-like excitations that play role processes ranging from cosmology to particle physics and condensed matter theory. In these lecture notes, we introduce description k...

Journal: :Decisions in economics and finance 2022

Abstract In this paper, we introduce a map $$\varPhi $$ Φ , which call zonoid from the space of all non-negative, finite Borel measures on $${\mathbb {R}}^n$$ R n with first moment to zonoids . This map, connecting measure theory ...

Journal: :International Journal of Modern Physics D 2021

We study a single field inflationary model modified by non-minimal coupling term between the Ricci scalar $R$ and $\varphi$ in context of constant-roll inflation. The first-order formalism is used to analyse inflation instead standard methods literature. In principle, considers two functions field, $W=W(\varphi)$ $Z=Z(\varphi)$, which lead reduction equations motion differential equations. appr...

Journal: :Transactions of the American Mathematical Society 1978

Journal: :Journal of Differential Equations 2021

We prove higher integrability of the spatial gradient weak solutions to parabolic systems with $\phi$-growth, where $\varphi=\varphi(t)$ is a general Orlicz function. The need be neither degenerate nor singular. Our result generalized version one J. Kinnunen and Lewis [Duke Math. 102 (2000), no. 2, 253--271] for $p$-Laplace systems.

Journal: :Proceedings of the Edinburgh Mathematical Society 2021

The aim of this paper is to present some results about the space $L^{\varPhi }(\nu ),$ where $\nu$ a vector measure on compact (not necessarily abelian) group and $\varPhi$ Young function. We show that under natural conditions, )$ becomes an $L^{1}(G)$ -module with respect usual convolution functions. also define one more structure ).$

Journal: :Ramanujan Journal 2022

In this short paper, we study sums of the shape $$\sum _{n\leqslant x}{f([x/n])}/{[x/n]},$$ where f is Euler totient function $$\varphi $$ , Dedekind $$\Psi sum-of-divisors $$\sigma or alternating $$\beta .$$ We improve previous results when $$f=\varphi and derive new estimates $$f=\Psi f=\sigma $$f=\beta

Journal: :Forum Mathematicum 2023

Abstract This article is dedicated to the study of singular codimension-one foliations ℱ {\mathcal{F}} on a simplicial complete toric variety X and their pullbacks by dominant rational maps φ : ℙ n ⇢ ...

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